116 articles
A complete guide to full-stack development with Nuxt 3. Server routes, API layer, Nitro engine, auto-imports and...
Jak postavit GraphQL API. Schema, resolvers, N+1 řešení.
Zakladni principy IaC. Proc, jak a best practices.
HashiCorp Vault, Mozilla SOPS, AWS Secrets Manager.
Mutation testing reveals weaknesses in tests that code coverage misses. Stryker, PIT and practical deployment for...
A practical guide to deploying a SvelteKit application to production. Load functions, form actions, hooks, error...
Deno a Bun vs Node.js. Runtime srovnání, kompatibilita, výkon.
GitOps architektonické vzory. Monorepo vs polyrepo, environment promotion, secrets management.
Jak používat type hints v Pythonu. Generics, Protocol, TypeVar, mypy.
JVM tuning — heap sizing, garbage collectors, JFR, diagnostické flagy.
pdb, debugpy, logging, profiling. Jak efektivně debugovat Python.
Svelte 5 introduces Runes — a new explicit reactive system. Learn $state, $derived, $effect and migration from...
The two most popular CI/CD platforms for modern development.
React Native New Architecture brings Fabric renderer, TurboModules and JSI. Learn migration, performance benefits...
Zero Trust Identity approach to security. Continuous verification, device trust, conditional access policies and...
How to achieve 60 FPS in React Native applications. FlashList, memo optimizations, Reanimated, bridge overhead, and...
Srovnání Python package managerů. Kdy který použít.
CI/CD od teorie po praxi — continuous integration, delivery, deployment.
Three major frontend frameworks — approach, performance, and ecosystem.
Horizontální škálování a failover.
Moderní Java backend. REST API, JPA, Security, native image.
Srovnání GraphQL a REST API. Over-fetching, performance, tooling a rozhodovací kritéria.
A practical guide to the CSS :has() selector. Learn parent selection, conditional styling and advanced patterns...
A complete guide to React Server Components (RSC). Learn the difference between server and client components,...
Advanced patterns with Pinia — plugins, composition stores, SSR hydration, persistence, and store testing in...
CI/CD s GitHub Actions. Workflows, jobs, steps a prvni pipeline.
Optimalizace image pomocí multi-stage builds — menší a bezpečnější.
Jak postavit API s Express.js. Routing, middleware, error handling.
Pokročilé Docker Compose — profiles, extends, health checks, networking.
Jak CDN funguje, kdy nasadit a jak konfigurovat caching.
20 skrytých funkcí Chrome DevTools — copy as fetch, CSS overview, performance.
Jak najít memory leaky v Node.js — heap snapshots, --inspect, common patterns.
How to integrate tRPC with Next.js App Router. Server-side calls, React Query integration, subscriptions and...
TypeScript adds types to JavaScript — when it pays off.
Jak bezpečně generovat, ukládat, rotovat a revokovat API klíče.
Detailed analysis of Vue 3 reactivity system built on ES6 Proxy. Understand how ref, reactive, computed and...
Modern async API vs batteries-included framework.
Moderní Python — type hints, project structure, linting, formatting.
gRPC for communication between microservices. Protocol Buffers, streaming and examples in Node.js.
Standardizovane commit zpravy. Automaticky changelog a verzovani.
Python profiling — cProfile, snakeviz, line_profiler, memory_profiler, py-spy.
useState, useEffect, useContext, custom hooks. Moderní React.
Jak verzovat REST API bez rozbití klientů. URL, header a query parameter versioning.
nginx hacky — rate limiting, caching, security headers, gzip, reverse proxy.
Hybrid search — vector + keyword.
Jak postavit API s Django REST Framework. Serializers, viewsets, permissions.
A realistic plan for learning programming in 6 months and finding your first job.
A guide to choosing your first programming language — by goal, not by hype.
Privileged, Baseline, Restricted. Jak enforce security standardy na pody.
Vysokovýkonný L7 proxy — architektura, konfigurace, filtry.
Reálné platy programátorů v ČR 2025 — junior, medior, senior.
Jak zabránit SQL injection v různých jazycích. Prepared statements, ORM, WAF.
Jak zmenšit Docker image ze 5 GB na 50 MB. Multi-stage builds, Alpine, distroless.
OWASP ZAP, Nuclei, Nikto. Testování běžící aplikace.
What's worth self-hosting and what isn't. A practical service overview.
GraphQL — schema, queries, mutations, subscriptions, vs REST.
Expo simplifies React Native development. Expo Router, EAS Build, Config Plugins, prebuild workflow and deployment...
ArgoCD ApplicationSets, multi-cluster management, Sync Waves and hook-based deployments.
Meta-frameworks for SSR, SSG, and full-stack development.
Deployment webové aplikace na Azure App Service. Konfigurace, scaling a CI/CD.
WebSocket — real-time komunikace, protokol, implementace, scaling.
Produkční Node.js — error handling, logging, security, performance.
Prefect nabízí pythonic přístup k orchestraci s minimem konfigurace. Flow, tasky a retry logika.
15 Git příkazů od interactive rebase po bisect. Kompletní přehled pro vývojáře.
Pokročilé techniky GitHub Actions: matrix builds, reusable workflows, composite actions a self-hosted runners.
Kompletní toolkit pro API debugging — curl, httpie, Postman, mitmproxy.
tRPC eliminates the need for REST/GraphQL schemas. Learn type-safe API with automatic type inference between server...
Installation, configuration and first queries.
Result, Option, ? operátor, custom errors. Rust error handling idiomy.
A complete guide to Web Components in 2025. Custom Elements, Shadow DOM, HTML Templates, the Lit framework and...
How to start contributing to open source — find project, first PR, community.
Docker networking — bridge, host, overlay, DNS a debugging.
CSS Subgrid allows nested elements to inherit grid definition from parent. Learn practical patterns for card...
Docker od nuly — images, containers, Dockerfile, Compose, networking, volumes.
Infrastructure capacity planning. Forecasting, load testing, headroom and growth modeling.
25 Python one-linerů — HTTP server, JSON formatting, generování hesel a další.
Infrastructure as Code — HCL vs programming languages.
Advanced gRPC patterns for production systems. Bidirectional streaming, interceptors, deadline propagation, error...
Container Queries change responsive design. Learn @container rules, container-type, named containers and practical...
TypeScript od základů — typy, interfaces, generics, utility types, best practices.
VPN průvodce — kdy má smysl, komerční vs vlastní, WireGuard setup.
Správná konfigurace CORS. Preflight requesty, Access-Control hlavičky.
Java — stability and ecosystem. Kotlin — modern syntax on the JVM.
Three major API paradigms — REST, GraphQL, and gRPC.
Funkční CI/CD pipeline za 5 minut s GitHub Actions. Build, test, deploy.
Praktická implementace OpenID Connect v Node.js backendu a React frontendu. Keycloak integrace, token management,...
Jaký programovací jazyk se naučit jako první? Srovnání Python, JavaScript, Java, Go.
How to manage dependencies and protect against vulnerabilities in third-party libraries.
Instalace, konfigurace, health checks, SSL a monitoring.
A complete guide to load testing with k6 from Grafana Labs. JavaScript scripting, load scenarios, thresholds,...
Pure functions, immutability, higher-order functions. FP v praxi.
Project Loom — virtual threads pro masivní concurrency.
How to build a framework-agnostic design system using Web Components. Theming, slots, CSS custom properties and NPM...
Learn to use React concurrent features — useTransition, useDeferredValue and Suspense for smooth user interfaces...
When monolith and when microservices — trade-offs and decision-making.
Comparison of modern state management libraries for React. Zustand, Jotai, Valtio — when to use which one and how...
CSS @layer brings control over style cascading. Learn to organize CSS into layers, resolve specificity conflicts and...
View Transitions API enables smooth animated transitions between pages in both SPA and MPA. Learn cross-document...
Composition API vs Options API. Reaktivita, composables, lifecycle.
venv, virtualenv, conda. Why and how to isolate Python projects.
Jak začít s TypeScript. Typy, interfaces, generics, konfigurace.
How to choose tech stack for startup — development speed, scalability, hiring.
Astro Islands architecture enables selective component hydration. Learn client directives, React/Vue/Svelte...
Stored, Reflected a DOM-based XSS. Sanitizace, CSP, encoding.
Nejnovější JavaScript features. Array grouping, Temporal, decorators.
Systematický přístup k performance debugging — měření, bottlenecky, optimalizace.
10 most common Docker mistakes and how to avoid them. From :latest tag to missing resource limits.
Jak postavit REST API s FastAPI. Routing, validace, OpenAPI, async.
GDPR compliance checklist for developers — consent, subject rights, technical measures.
Technický SEO checklist — meta tagy, sitemap, Core Web Vitals, structured data.
Pulumi s TypeScript/Python, component resources, stacks a testing.
Jak opravit nejčastější Git chyby — špatný commit, branch, ztracené změny.
A complete guide to automated API testing. REST, GraphQL, gRPC — tools, strategies, mocking and CI/CD pipeline integration.
A practical guide to on-call — preparation, escalation, runbooks, postmortems.
BFF pattern: a separate backend for each client type. Web, mobile, IoT — each has different needs.
Trivy, Snyk, npm audit. How to find vulnerable libraries.